Home / 140,146.18-210,094.25-51,378.95

Finding the Fourth Proportional to 140,146.18, 210,094.25 and 51,378.95

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Solution

The fourth proportional to 140,146.18, 210,094.25 and 51,378.95 is: 77,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,146.18 : 210,094.25 = 51,378.95 : x
  2. Step 2: Convert to fraction form
    140,146.18/210,094.25 = 51,378.95/x
  3. Step 3: Cross multiply
    140,146.18x = 210,094.25 × 51,378.95
  4. Step 4: Simplify right side
    140,146.18x = 10,794,422,234.38
  5. Step 5: Solve for x
    x = 10,794,422,234.38/140,146.18
  6. Step 6: Final answer
    x = 77,022.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.